[ some_helpers

Circle trajectory

[ resizing_lattice_resize_function

Figure 8 trajectory

* Initialize L-BFGS parameters to the default values. * * Call this function to fill a parameter structure with the default values *

* Start a L-BFGS optimization. * A user must implement a function compatible with ::lbfgs_evaluate_t (evaluation * callback) and pass the po

* Get string description of an lbfgs_optimize() return code. * * @param err A value returned by lbfgs_optimize(). */